feat(smart-app): implement complete mobile app MVP

- App.tsx: full navigation (Auth stack + Main tabs with 5 screens)
- Auth: LoginScreen, RegisterScreen, ForgotPasswordScreen
- HomeScreen: dashboard with IoT metrics, weather widget, alerts, quick actions, sensors
- MapScreen: interactive map with layer toggles (6 layers)
- MarketplaceScreen: categories (6), products (5), search
- ChatScreen: AI chat with quick prompts (4), bot responses
- ProfileScreen: user info, stats, menu (9 items), logout
- AlertsScreen: alert list with severity, acknowledge
- SensorsScreen: sensor list with type filters (6 types), search
- ZonesScreen: zone cards with stats
- SettingsScreen: language picker (FR/EN/ES/DE), privacy, about
- Stores: iotStore (sensors, zones, alerts), notificationStore, uiStore + i18n
- Hooks: useSensors, useAlerts, useNotifications, useLocation
- Components: Card, Button, LoadingSpinner, ErrorBoundary, Header
- Services: iotService, notificationService (with axios API client)
- Utils: formatters (temp, AQI, noise, dates), validators (email, password, IBAN)
- Theme: colors.ts with full design system (Blue Ocean palette)
- Ditto: fixed MongoDB connection, new JWT secrets, official gateway image

smart-app-city/frontend/node_modules/@tanstack/react-query/build/legacy/usePrefetchQuery.cjs.map

@@ -0,0 +1 @@
+{"version":3,"sources":["../../src/usePrefetchQuery.tsx"],"sourcesContent":["import { useQueryClient } from './QueryClientProvider'\nimport type { DefaultError, QueryClient, QueryKey } from '@tanstack/query-core'\nimport type { UsePrefetchQueryOptions } from './types'\n\nexport function usePrefetchQuery<\n  TQueryFnData = unknown,\n  TError = DefaultError,\n  TData = TQueryFnData,\n  TQueryKey extends QueryKey = QueryKey,\n>(\n  options: UsePrefetchQueryOptions<TQueryFnData, TError, TData, TQueryKey>,\n  queryClient?: QueryClient,\n) {\n  const client = useQueryClient(queryClient)\n\n  if (!client.getQueryState(options.queryKey)) {\n    client.prefetchQuery(options)\n  }\n}\n"],"mappings":";;;;;;;;;;;;;;;;;;;;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,iCAA+B;AAIxB,SAAS,iBAMd,SACA,aACA;AACA,QAAM,aAAS,2CAAe,WAAW;AAEzC,MAAI,CAAC,OAAO,cAAc,QAAQ,QAAQ,GAAG;AAC3C,WAAO,cAAc,OAAO;AAAA,EAC9B;AACF;","names":[]}